#include <stdio.h>
#include <string.h>

typedef struct Books
{
	char  title[50];
	char  author[50];
	char  subject[100];
	int   book_id;
} Book;

int main( )
{
	Book book;
	
	strcpy( book.title, "C 教程");
	strcpy( book.author, "Runoob"); 
	strcpy( book.subject, "编程语言");
	book.book_id = 12345;
	
	printf( "书标题 : %s\n", book.title);
	printf( "书作者 : %s\n", book.author);
	printf( "书类目 : %s\n", book.subject);
	printf( "书 ID : %d\n", book.book_id);
	
	return 0;
}
